Water Drops on Rose Petals: Strong Molecular Cohesion

April 3, 2008

The strong Coulomb force or intermolecular attraction between water molecules in water drops due to the polarity of hydrogen’s tetrahedral configuration, is an excellent example of cohesion between like molecules. When refering to unlike molecules the term is adhesion.

Thank you wiki for the info and Melanie for the rose.

“Image of the layer on the term “cohesion” is from the Visual Thesaurus, Copyright ©1998-2008 Thinkmap, Inc. All rights reserved.” And such attribution, when clicked should also link back to the Site.

The resolution of this PowerPoint slide is set at W:1440 pixels x H:900 pixels which is the slowest speed and highest fidelity that the author can set under the Slide Show settings >> Set Up Show >> Slide Show Resolution. The background image of the PowerPoint program screen was frozen in Adobe Photoshop and saved as a .jpg at a resolution of 300 dpi (pixels per inch), 3.71 M, and a Document size of W12.19 cm x H7.62 cm.


I was unsure of Visual Thesaurus’ Terms of Use for the visualizations of terms generated by their software, so I filled in their on-line form in some detail. Two hours later I received a phone call from them! When I explained that the image was to be used on my personal blogs including Flickr and WordPress and that they might be incorporated into a presentation at the Association for Baha’i Studies annual conference which is on Social Cohesion, the representative immediately agreed that there was no problem with using it in this way! I was impressed with the rapidity of the response.

Since I am experimenting with free open source material I cannot purchase their user-pay products but I can certainly recommend the minimalist, elegant and functional design of their visualizations and recommend that those who can investigate both MindMap and Visual Thesaurus as technologies.

folksonomy: connectivity, twitter, slideshare, speechless, flickr, PowerPoint, AdobePhotoshop, image:resolution, Creative Commons, design, social cohesion, Visual Thesaurus, mind maps,

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Creative Commons 3.0 BY-NC-SA License

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